-53.59% is the change from 599 to 278
Calculation steps:
[( 278 - 599 ) ÷ 599] x 100 = -53.59%
Formula
Percentage change = [(278 - 599) / 599] x 100
Subtract the new number by the original number
278 - 599 = -321
-321 ÷ 599 = -0.5358931552587646
-0.5358931552587646 x 100 = -53.59%